# Tikz Graph Example – all nodes stacked

I try to reproduce the \graph example of the pgf manual 2.10 page 208:

\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{graphs}

\begin{document}
\tikz \graph {a -> { b , c } -> d};
\pgfversion
\end{document}


All nodes (a, b, c, d) are placed on top of each other as shown in the following figure.

I use TeX Live 2012 under Ubuntu 12.04 (through ppa-backports). Is it my TeX setup or do I forget to include some tikz libraries?

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Looks ok for me (miktex, pgf version 2.10-cvs). –  Ulrike Fischer Aug 27 '12 at 15:40
I have the same effect under SuSe 12.1 with TeX Live 2011 (pgf also 2.10). –  HeLLo Aug 27 '12 at 16:38
I have the cvs version. On another PC with the standard pgf version 2.10 I get the same problematic output as you. –  Ulrike Fischer Aug 27 '12 at 16:44
I also got the same problematic output. –  Stiff Jokes Aug 27 '12 at 16:57
with current TL2012 it is correct –  Herbert Aug 27 '12 at 17:29
The pgf-manual of pgf 2.10 says nothing about the graphs library and its \graph macro (on page 208, we find the section 17.4, "Anchoring a Matrix")!
Your example can be compiled with pgf 2.10 because pgf 2.10 contains some files planned for the future (as tikzlibrarygraphs.code.tex). But, these files are experimental and old.